Part Number: TMS570LC4357
Other Parts Discussed in Thread: HALCOGEN
I'm trying to configure the board to receive CAN read request (Remote Frame Request, RTR). And I'm not sure how to properly set it up.
1. For a message box, is it supposed to be configured in TX or RX mode, with RTR set?
I observe here, is that if I set it to RX & RTR on, then when host sends an RTR request, then no frame /callback is received by the device. Same ID without RTR gets received fine, by same message box.
If message box is in TX & RTR on, then an RTR frame is received, but, as soon as my device receives it and sends first reply it never stops - just keeps continuously looping/sending non stop same reply.
2. Does ID mask work when RTR is enabled? I was using a range of ID's for this same message box, to receive CAN frames. Now, if I have this message box set as TX with RTR on, then I have seems trouble getting proper request ID from received message into the CAN box : i get the ID configured into HalCoGen message box , not the actual request ID from frame.
3. When I send reply back, on RTR request, same issue with ID : the message ID is not equal to ID of the RTR request, it's the ID of the configured message box before the mask ; The message box is configured to grab range of ID's, not just one ..
So how to set this up properly? I also would like to keep one message box to handle RTR and normal frames for the same range of CAN IDs. Is that possible, I'm not sure here.
